Fig. 2.
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Residuals from fitting two absorption configurations to the joint XMM–Newton and NuSTAR spectra (0.3–20 keV). Top panel: Model A = tbnew*(diskbb+diskpbb) (single neutral absorber; Galactic column only), which reveals a feature around ∼0.95 keV. Bottom panel: Model B = tbnew*tbnew_pcf*(diskbb+diskpbb) (additional partial-covering neutral absorber), in which this feature is unnoticeable. Data have been rebinned for visualization only.
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